CVE-2026-86823

MediumCVSS 5.3/10Last modified Sep 17, 2026

Description

The Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-601

Affected software

Vendor	Product	Versions
Unknown	Newsletter	< 9.3.7

References

https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/

Timeline

Published: Sep 16, 2026
Last modified: Sep 17, 2026
NVD status: Deferred

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